TUCSON, Ariz. (AP) - Rep. Gabrielle Giffords left a Tucson hospital Friday and is being flown to a Houston rehabilitation center for her next steps in her recovery, less than two weeks after the congresswoman was shot in the head.

Well-wishers holding flags and signs that read "Get well Gabby" lined the ambulance's route between the hospital and Davis-Monthan Air Force Base, where Giffords was loaded on a specially outfitted jet.

"We want to be here to help her and show her a good farewell, and hope that she has a great recovery," said Al Garcia, a Marine veteran who came on his Harley Davidson motorcycle. "It's through all of these prayers that she's leaving in just two weeks."

A gunman shot Giffords and 18 other people Jan. 8 as she met with constituents outside a grocery store in Tucson. Six people died; all other survivors have been released from the hospital. The suspect in the attack, Jared Loughner, 22, of Tucson, is being held in federal custody.

Giffords has been making progress nearly every day at University Medical Center in Tucson. Her husband, Houston-based astronaut Mark Kelly, tweeted Friday: "GG going to next phase of her recover today. Very grateful to the docs and nurses at UMC, Tucson PD, Sheriffs Dept....Back in Tucson ASAP!"

Kelly is with Giffords on the plane, along with her mother, a doctor and other medical workers. A helicopter will take her from the Houston airport to the ICU at Texas Medical Center, where she'll be evaluated before going to the center's rehabilitation hospital, TIRR Memorial Hermann.

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U.S. Capitol police arrived Thursday afternoon to set up extra security measures at the 119-bed facility.

Doctors ticked off other markers of her improvement: She scrolled through an iPad, picked out different colored objects and moved her lips. They are unsure whether she is mouthing words, nor do they know how much she is able to see.
"Not everyone always gets 100 percent restoration, but we help them to get to a new normal," said Carl Josehart, chief executive of the rehab hospital that will be the Arizona congresswoman's home for the next month or two.

"It's going to be a very big team that will address different impairments, but they will have to work together," he said.

First, they'll check her vital signs - make sure her blood pressure and heart rate are good. Then specialists ranging from physical and occupational therapists to speech therapists and psychologists will give a slew of tests to see what she can and cannot do.

The strength of her legs and her ability to stand and walk. The strength of her arms, and whether she can brush her teeth or comb her hair. Whether she can safely swallow on her own.

How well she thinks and communicates - not just her ability to speak but also to understand and comprehend, Francisco said.
It's unclear if she is able to speak. And while she is moving both arms and legs, it's uncertain how much strength she has on her right side; the bullet passed through the left side of her brain, which controls the right side of the body.

Giffords will stay at Memorial Hermann until she no longer needs 24-hour medical care - the average is one to two months. Then she can continue getting up to five hours a day of physical and other rehab therapies on an outpatient basis, Josehart said.

"It's hard to speculate on the trajectory or course that any one patient will have," he said.

Despite the steady progress, Giffords has a long road to recovery. Doctors are not sure what, if any, disability she will have.

Sometimes, areas of the brain that seem damaged can recover, said Mark Sherer, a neuropsychologist at the rehab center.

"Some of the tissue is temporarily dysfunctional, so the patient appears very impaired very early on after the injury," but may not be permanently damaged, he said.

Kelly said Giffords would be proud of the way Tucson has responded. Memorials continued to grow Friday outside the hospital, in front of her office and at the scene of the shooting.

"I know one of the first things Gabby is going to want to do as soon as she's able to is start writing thank you notes," he said.